Description

2-Methylene-4-Methyl-1,3-Dioxolane is a versatile cyclic vinyl ether monomer, a key building block in polymer chemistry. Its unique structure, featuring a reactive exocyclic double bond, makes it an essential intermediate for creating specialty polymers with tailored properties. This compound is primarily sought by R&D chemists and industrial manufacturers in the polymer, coatings, and advanced materials sectors for developing novel resins and functional materials.

Application

• Polymer & Resin Synthesis: Serves as a reactive monomer for the production of specialty polymers, including polyacetals and functionalized polyethers.
• Crosslinking Agent: Used in formulations for coatings, adhesives, and sealants to introduce crosslinks, enhancing durability and chemical resistance.
• Photoresist & Electronic Materials: A potential precursor in the synthesis of polymers for photoresist applications in semiconductor manufacturing.
• Pharmaceutical Intermediates: Utilized as a building block in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs).
• Surface Modification: Employed to graft functional groups onto polymer surfaces, altering wettability, adhesion, and biocompatibility.
• Specialty Additives: Incorporated into formulations to modify the rheological or mechanical properties of final products.

Basic Information

Product Name	2-Methylene-4-Methyl-1,3-Dioxolane
CAS No.	85079-89-6
Molecular Formula	C5H8O2
Molecular Weight	100.12 g/mol
Synonyms	4-Methyl-2-methylene-1,3-dioxolane; 2-Methylene-4-methyl-1,3-dioxacyclopentane; 2-Methylen-4-methyl-1,3-dioxolan; 2-Methylen-4-methyl-[1,3]dioxolan; 2-Methylidene-4-methyl-1,3-dioxolane; 1,3-Dioxolane, 2-methylene-4-methyl-; MMD (abbreviation)
EINECS	285-438-3

Quality Control

Our 2-Methylene-4-Methyl-1,3-Dioxolane is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is 2-8°C for extended stability. The product may be moisture-sensitive; keep container tightly sealed under an inert atmosphere for optimal shelf life.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (20°C)	~1.02 g/cm³
Refractive Index (n20D)	~1.425

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.